ANTHROP 3304 Study Guide - Midterm Guide: Callosity, White-Eyelid Mangabey, Olive Baboon
6 Mar 2018
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Long tails but not prehensile: diurnal, upper 1st molar with only 3 cusps, dental = 2. 1. 3. 2 (lost a molar, claws, marmosets = chisel-like incisors, gumivorous, mating system need not be synonymous with social system. Sometimes in multimale, multifemale group but only one individual breeds. Twins = help provided by subadults, juveniles and several adult males: negative effects of helping, delays reproduction of helpers (or causes permanent sterility, donations of food to young (nutritional sacrifice) Increased chance helper will get injured while protecting young: adaptive significance for non-reproductive callitrichines. Provides experience in taking care of infants: adaptive significance for polyandrous males. Lactating females are stressed and don"t carry infants long distances. If only one male, he would have to carry infants all the time. To be feasible, both males should have equal chance of paternity and not be able to detect ovulation.
